/*
 * Copyright (C) 2011 Markus Junginger, greenrobot (http://greenrobot.de)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mlizhi.base.dao.internal;

import android.content.ContentResolver;
import android.database.CharArrayBuffer;
import android.database.ContentObserver;
import android.database.Cursor;
import android.database.CursorWindow;
import android.database.DataSetObserver;
import android.net.Uri;
import android.os.Bundle;

/** Internal class used by greenDAO. */
final public class FastCursor implements Cursor {

private final CursorWindow window;
private int position;
private final int count;

public FastCursor(CursorWindow window) {
this.window = window;
count = window.getNumRows();
}

@Override
public int getCount() {
return window.getNumRows();
}

@Override
public int getPosition() {
return position;
}

@Override
public boolean move(int offset) {
return moveToPosition(position + offset);
}

@Override
public boolean moveToPosition(int position) {
if (position >= 0 && position < count) {
this.position = position;
return true;
} else {
return false;
}
}

@Override
public boolean moveToFirst() {
position = 0;
return count > 0;
}

@Override
public boolean moveToLast() {
if (count > 0) {
position = count - 1;
return true;
} else {
return false;
}
}

@Override
public boolean moveToNext() {
if (position < count - 1) {
position++;
return true;
} else {
return false;
}
}

@Override
public boolean moveToPrevious() {
if (position > 0) {
position--;
return true;
} else {
return false;
}
}

@Override
public boolean isFirst() {
return position == 0;
}

@Override
public boolean isLast() {
return position == count - 1;
}

@Override
public boolean isBeforeFirst() {
throw new UnsupportedOperationException();
}

@Override
public boolean isAfterLast() {
throw new UnsupportedOperationException();
}

@Override
public int getColumnIndex(String columnName) {
throw new UnsupportedOperationException();
}

@Override
public int getColumnIndexOrThrow(String columnName) throws IllegalArgumentException {
throw new UnsupportedOperationException();
}

@Override
public String getColumnName(int columnIndex) {
throw new UnsupportedOperationException();
}

@Override
public String[] getColumnNames() {
throw new UnsupportedOperationException();
}

@Override
public int getColumnCount() {
throw new UnsupportedOperationException();
}

@Override
public byte[] getBlob(int columnIndex) {
return window.getBlob(position, columnIndex);
}

@Override
public String getString(int columnIndex) {
return window.getString(position, columnIndex);
}

@Override
public void copyStringToBuffer(int columnIndex, CharArrayBuffer buffer) {
throw new UnsupportedOperationException();
}

@Override
public short getShort(int columnIndex) {
return window.getShort(position, columnIndex);
}

@Override
public int getInt(int columnIndex) {
return window.getInt(position, columnIndex);
}

@Override
public long getLong(int columnIndex) {
return window.getLong(position, columnIndex);
}

@Override
public float getFloat(int columnIndex) {
return window.getFloat(position, columnIndex);
}

@Override
public double getDouble(int columnIndex) {
return window.getDouble(position, columnIndex);
}

@Override
public boolean isNull(int columnIndex) {
return window.isNull(position, columnIndex);
}

@Override
public void deactivate() {
throw new UnsupportedOperationException();
}

@Override
public boolean requery() {
throw new UnsupportedOperationException();
}

@Override
public void close() {
throw new UnsupportedOperationException();
}

@Override
public boolean isClosed() {
throw new UnsupportedOperationException();
}

@Override
public void registerContentObserver(ContentObserver observer) {
throw new UnsupportedOperationException();
}

@Override
public void unregisterContentObserver(ContentObserver observer) {
throw new UnsupportedOperationException();
}

@Override
public void registerDataSetObserver(DataSetObserver observer) {
throw new UnsupportedOperationException();
}

@Override
public void unregisterDataSetObserver(DataSetObserver observer) {
throw new UnsupportedOperationException();
}

@Override
public void setNotificationUri(ContentResolver cr, Uri uri) {
throw new UnsupportedOperationException();
}

@Override
public boolean getWantsAllOnMoveCalls() {
throw new UnsupportedOperationException();
}

    @Override
    public void setExtras(Bundle extras) {

    }

    @Override
public Bundle getExtras() {
throw new UnsupportedOperationException();
}

@Override
public Bundle respond(Bundle extras) {
throw new UnsupportedOperationException();
}

/** Since API level 11 */
public int getType(int columnIndex) {
throw new UnsupportedOperationException();
}

/** Since API level 19 */
public Uri getNotificationUri() {
return null;
}

}
